From 3c573bcf3f59c343069b7c5a7560d3fcb7efab94 Mon Sep 17 00:00:00 2001
From: Ivan Plesskih <terma95@gmail.com>
Date: Tue, 29 Sep 2020 21:36:13 +0500
Subject: [PATCH] Fix type exports import elision

---
 packages/babel-plugin-transform-typescript/src/index.js      | 2 ++
 .../test/fixtures/imports/elision-export-type/input.ts       | 5 +++++
 .../test/fixtures/imports/elision-export-type/output.mjs     | 4 ++++
 3 files changed, 11 insertions(+)
 create mode 100644 packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-export-type/input.ts
 create mode 100644 packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-export-type/output.mjs

diff --git a/packages/babel-plugin-transform-typescript/src/index.js b/packages/babel-plugin-transform-typescript/src/index.js
index bc2dab189a45..6fbec8536b1c 100644
--- a/packages/babel-plugin-transform-typescript/src/index.js
+++ b/packages/babel-plugin-transform-typescript/src/index.js
@@ -13,6 +13,8 @@ function isInType(path) {
     case "TSExpressionWithTypeArguments":
     case "TSTypeQuery":
       return true;
+    case "ExportSpecifier":
+      return path.parentPath.parent.exportKind === "type";
     default:
       return false;
   }
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-export-type/input.ts b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-export-type/input.ts
new file mode 100644
index 000000000000..e68b81c05c78
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-export-type/input.ts
@@ -0,0 +1,5 @@
+import {A, T} from './mod';
+A;
+import B, {T1} from './mod';
+B;
+export type {T, T1};
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-export-type/output.mjs b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-export-type/output.mjs
new file mode 100644
index 000000000000..854b6d0c9051
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elision-export-type/output.mjs
@@ -0,0 +1,4 @@
+import { A } from './mod';
+A;
+import B from './mod';
+B;